Easy preload update

Hi there, I was wondering if anyone knew an easy way for me to improve my preloaders, right now they’re quite jumpy, I don’t really know enough about flash to make it smooth without starting all over again with another technique, and I have absolutely tons of videos on the site which will require updating.

Here’s my script:

bytes_loaded = Math.round(this.getBytesLoaded());
bytes_total = Math.round(this.getBytesTotal());
getPercent = bytes_loaded/bytes_total;
this.loadBar._width = getPercent196.1;
this.loadText = Math.round(getPercent
100)+"%";
if (bytes_loaded == bytes_total) {
this.gotoAndPlay(3);
}

Any help would be amazing, ideally I like to just drop in some replacement script.